Home / 681,258,204.83-940,136,734.54-367,992,557.20

Finding the Fourth Proportional to 681,258,204.83, 940,136,734.54 and 367,992,557.20

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Solution

The fourth proportional to 681,258,204.83, 940,136,734.54 and 367,992,557.20 is: 507,829,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,204.83 : 940,136,734.54 = 367,992,557.20 : x
  2. Step 2: Convert to fraction form
    681,258,204.83/940,136,734.54 = 367,992,557.20/x
  3. Step 3: Cross multiply
    681,258,204.83x = 940,136,734.54 × 367,992,557.20
  4. Step 4: Simplify right side
    681,258,204.83x = 345,963,321,062,667,328
  5. Step 5: Solve for x
    x = 345,963,321,062,667,328/681,258,204.83
  6. Step 6: Final answer
    x = 507,829,951.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.